Table 61—-NEW HAVEN DUSTFALL EXPERIMENT March Sampling station Airport No. 1 evaporation filtration Airport No. 2 mc/sq mile “Total 8 sr*? mc/sq mile Dust,g Sr? "Total g activity, Sr*? mc/sqmile mc/sqmile Dust,g mc/sqmile mc/sq mile Dust, g 95,55 41,37* 26.49 41.11* 2.1 + 0,26 0.14 4 0,06 0,077 0,075 40.1741.28* 17,95 40.94* 0.49 + 0.31 0.38 4 0,09 0.072 0,046 0.204+0.05 0.035 evaporation filtration 10.264 0.85* . 0.0940.06 0,025 evaporation filtration 14,53 + 0.94* 0.2340.05 0,110 48.71 +41.54* 29,05 +41.19* 1.7 £0.32 0.25 40,1 0.167 0.159 43.58 41.37" 15.38 + 0.85* 0.70+0.32 0.18 + 0.07 0,128 0.112 evaporation filtration 15.38 + 0,94* 0.1440.06 0.096 76.93 41.54* Lost 1.4 +90.08 0.14 4 0.05 0.143 0.114 23.92 4 1.11* 0.344 0.08 0.116 69.22 41.62* 1.6 0.130 16.24 + 0.947 0.3740.11 0.106 17.09 + 0.85* 0.344 0.06 0.090 12.82 + 0.85 6.21 40.07 0.206 11.96 + 0.85f 0.14+0.06 0.081 17.09 + 0.94* 06.71 4+ 0.06 0.059 15,38 + 0.94* 0,39 + 0.07 0.068 Hall of Records Edward Malley Co., Bldg. evaporation filtration Brady Memoria! Lab, evaporation filtration New Haven Hospital evaporation filtration Grace-N.H, Memorial Bldg. N }~ activity, May 11.112 0.85* St, Rose’s Convent OFT Total p activity, April +£0.12 23.07 + 1.11* =0.08 0.111 63,24 41.62* 0.9440.29 0.109 25.644 1.03¢ 06.09 + 0.07 0.090 evaporation 68.3974 1.71* 6.0 +0.37 0.109 filtration 27.35 41.03¢ 0.14 40.05 0.100